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1XX-00500 / 1XX-00501 SENSOR + ACTOR (XX-781-85 / XX-781-95)
1. DESCRIPTION
This thermostat is designed for use in combination with the Nikobus home automation system.
430-00500: Nikobus actor with claws + sensor clock thermostat 45 x 45mm (XX-781-95: 50 x 70mm)
430-00501: Nikobus actor without claws + sensor clock thermostat 45 x 45mm (XX-781-85: 50 x 70mm)
Attention: suitable only for indoor mounting!
Sensor (A) = the visible electronic component, available in all Niko flush mounting designs and colors, which,
either automatically or after manual operation, sends a switch command to the connected actor.
Actor (B) = the built-in component, which, upon receipt of a command from the connected sensor, transmits
a Nikobus telegram.
A
2. TECHNICAL DATA
• Day/week programming
• Setting precision: ±0.5°C
• 30min. power reserve in case of power cut, the memory is saved
• Manual operation possible
• Max. setting of 24 switch movements
• 3 types of temperature levels: day, night, and antifreeze level
• Time or temperature display can be set permanently
• 6 speed selections: in function of the dimensions of the location (peak-to-mean-line value)
• Installation instructions
- mounting height: ±1.5m
- free air circulation
- do not place in direct sunlight
- do not directly expose to a heating element
• Ambient temperature: 0 ->40°C
• Storage temperature: -25 -> 75°C
• Rated supply voltage: 12V~ (-20%, +50%), by safety transformer
• Connected in parallel on the Nikobus
• Minimum depth flush mounting box: 40mm
• 6 terminals, maximum capacity per terminal: 2 x 1,5mm_ of 1 x 2,5mm_
• 2 external inputs for switch or push button: power supply at the actor input = power supply (12V~). Enables
control of the sensor from different locations.
3. OPERATION
The thermostat has an internal PI control and
controls the heating system with pulse width
modulation (PWM). The thermostat will distrib-
ute its control over various cycles. Depending
on the temperature measured, it can in the next
cycle control the contact for 10 to 100 percent
of the cycle. The length of a full cycle depends
on the RP value (see setting RP value).
During installation, the following must be taken into account:
• response times of the control valves. These usually have a response time of 0-100% in 3 minutes.
• cooling period of the boiler. Use a bypass if necessary.
4. DISPLAY AND OPERATING KEYS
Keys
Function
increase set temperature (in steps: press briefly; scrolling: press long)
decrease set temperature (in steps: press briefly; scrolling: press long)
select the weekday
displaying and confirming current time
programming
displaying current temperature
RESET (Do not press this push button with sharp, metal objects)
The buttons
and
are intended only for the first use or for the programming of the clock thermostat.
current weekday
1
= Monday
ming
temperature level indication:
sun = day temperature level
moon = night temperature level
ice crystal = antifreeze temperature level
5. CONFIGURATION
If no operation is carried out during 30s., the thermostat will return automatically to the starting screen. After
±10min, the clock thermostat displays the correct temperature.
Basic settings
The basic settings always have to be set when using the thermostat for the first time or after a RESET. The
basic settings are: current weekday and hour, the RP value which depends on the space and the regulation
nv Niko sa
B
E2
E1
12V~ 12V~
B1
B2
430-0050x
(09-7x5)
12V~
50Hz
T°
20°C
19°C
18°C
Cycle 1
Cycle 2
Cycle 3
Cycle 4
RELAY ON
100%
100%
50%
30%
menu
p r o g r a m -
menu
time setting
setting the temperature
level menu
heating
memory location
active
manual operation
active
Industriepark West 40, BE-9100 Sint-Niklaas, Belgium — tel. +32 3 778 90 00 — fax +32 3 777 71 20 — e-mail: support@Niko.be — www.niko.be
value for day, night and antifreeze temperature.
A. Setting the weekday and hour
When switching on the voltage for the first time or after a RESET, all symbols and segments briefly appear on
the display. If no hour is stored, the unit automatically displays the setting of the hour and weekday mode. Time
and weekday blink, you can immediately go to step 2.
Step Action
Press for 3s
to activate mode for setting hour
1
and weekday.
2
Press
to set weekday.
3
Press
or
to set the time.
4
Press again
.
B. Setting the RP value
Not all heating installations react at the same speed. For this reason, the switching on/off sequence of the installa-
tion has to be adapted to the local circumstances (regulation period). This is done through the RP value.
The unit is provided with 6 RP values, starting with RP1 for small areas (fast regulation period) up to and
including RP6 for large areas (slow regulation period).
RP value
Minutes
1
4
2
8
3
12
4
16
5
20
6
24
Step Action
1
Press
and
2
Press
or
to set RP value.
3
Press
.
C. Setting the temperature levels
The temperature levels below are the standard settings.
Temperature level
Day
Night
Antifreeze
The settings of the day and night level can be modified as follows:
Step Action
1
Press for 3s
.
Cycle ...
2
Press
to select day or night temperature level.
3
Press
or
.
t
4
Press
.
10%
10%
D. Setting the offset value
There are certain factors that can affect the temperature measurement. There can be a difference between
the temperature stated on the thermostat and the actual temperature in the room. To correct this difference,
proceed as follows:
Wait for at least 10min, so the temperature stated on the clock thermostat is steady. Then read the tempera-
ture in the room from a thermometer. If the temperature stated on the thermostat is lower / higher than the
temperature stated on the termometer, you have to set a positive resp. negative offset value. This way, you can
adjust the temperature from -6°C to +6°C.
NOTE: to guarantee a steady temperature, set the offset value when taking the thermostat into use. The fabric
setting is 0.
Step Action
1
Press
,
and
2
Press
or
.
3
Press
.
The offset value can be set to a value between -6 °C below and +6 °C above the standard setting.
6. USAGE
A. Setting the temperature manually (manual mode)
It is always possible to change the temperature manually if you wish to deviate from the set temperature
level. A manual action is indicated by a blinking 'hand symbol' on the display. At the same time, the symbol
'thermometer' for the indication of the temperature level disappears. After a few seconds, the actual room
temperature is again displayed.
Step Action
to increase/decrease temperature. Desired temperature blinks.
1
Press
or
2
Press
to confirm.
To decrease the day temperature level or to increase the night temperature level, proceed as follows:
Step Action
till the standard day or night temperature. Day or night temperature is displayed.
1
Press
or
2
Briefly release
3
Press
or
till the desired temperature.
Result
Time and weekday blink.
1 = Monday, 2 = Tuesday...
• press briefly: setting of the minutes
• press long: phases of 5min, afterwards by hour
Return to starting screen
Application
small rooms, electrical heating 4...6°C/hour
large rooms, underfloor heating 1...2°C/hour
Result
Unit switches to RP setting.
simultaneously.
RP1; RP2; ... ; RP6
Return to starting screen
Symbol
Standard setting
Sun
+ 20°C
Moon
+ 15°C
Ice crystal
+ 7°C
Result
Unit switches to programming.
Sun or moon appear on the left side of the
display.
Increase/decrease temperature by 0.5 °C.
Return to starting screen
Result
simultaneously. Device will go to the offset setting. (indication on the screen: POd)
Increase/decrease offset by 0,5°C.
Return to starting screen
Result
Return to starting screen, the current temperature
is displayed.
Result
Day or night temperature blinks.
or
.
Desired temperature is displayed.
Setting range
between night level and +30°C
between +7°C and day level
Fix value, cannot be set
PM1XX-0050XR08163
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